柠檬酸钾

柠檬酸钾 基本信息
CAS号 866-84-2 分子式 C6H5K3O7
分子量 306.39500 精确质量  305.89500
PSA  140.62000 LogP  -5.25260

等价的CAS号:

866-83-1,866-84-2,3609-96-9,7778-49-6,6100-05-6

基本信息 展开↓

CAS号:
866-84-2
3D弹球模型:
立即前往扯扯看
分子式:
C6H5K3O7
分子量:
306.39500
中文名称:
柠檬酸钾
英文名称:
Potassium citrate
中文别名:
柠檬酸钾;
柠檬酸三钾;
枸橼酸钾;
2-羟基-1,2,3-丙三羧酸三钾盐
英文别名:
Potassium citrate;
kaliksir;
SODIUM POTASSIUM;
HYDROXY CITRIC ACID SYNTHETIC;
seltz-k;
porekal;
potassiumcitrateanhydrous;
kajos;
sdTripotassium Citrate
精确分子量/精确质量:
305.89500
极性分子表面积/PSA:
140.62000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00150442
EINECS:
212-755-5
PubChem:
24889207
InChI:
The Key: WKZJASQVARUVAW-UHFFFAOYSA-K

生产制备方法及用途展开↓

制备方法


由柠檬酸与氢氧化钾或碳酸氢钾中和而得产品。参见柠檬酸钠 C6H8O7+3KHCO3→CaH5K3O7·H2O+3CO2↑+2H2O

合成制备方法


由柠檬酸与氢氧化钾或碳酸氢钾中和而得产品。参见柠檬酸钠
C6H8O7+3KHCO3
CaH5K3O7·H2O+3CO2+2H2O

用途简介


作防腐剂、稳定剂和pH缓冲剂等。我国规定可用于各类食品,按生产需要适量使用。

用途


作防腐剂、稳定剂和pH缓冲剂等。我国规定可用于各类食品,按生产需要适量使用。

物化性质展开↓

外观与性状:
白色结晶粉末
密度:
1.187
沸点:
309.6ºC at 760 mmHg
闪点:
155.2ºC
其它信息:

1.      性状:无色结晶或白色结晶性粉末
2.  无臭,有清凉咸味。微有潮解性,易溶于水和甘油,不溶于乙醇。

安全信息展开↓

海关代码:
2918150000
WGK_Germany:
1
德国有关水污染物质的分类清单

化学图谱

  1. 柠檬酸钾红外图谱(IR1)

  2. 柠檬酸钾红外图谱(IR2)

  3. 柠檬酸钾Raman光谱

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毒理性展开↓

毒理学数据:

试验表明本品对人体无明显危害

MSDS 展开↓

Name: Tri-Potassium Citrate Material Safety Data Sheet
Synonym: Potassium citric acid, tripotassium sal
CAS: 866-84-2
Section 1 - Chemical Product   MSDS Name:Tri-Potassium Citrate Material Safety Data Sheet
Synonym:Potassium citric acid, tripotassium sal

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
866-84-2 Potassium citrate 100.0 212-755-5
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
Dust may cause mechanical irritation.
Skin:
May cause mild skin irritation.
Ingestion:
Ingestion of large amounts may cause gastrointestinal irritation.
Inhalation:
Excessive inhalation may cause minor respiratory irritation.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions.

Section 7 - HANDLING and STORAGE
  Handling:
Use with adequate ventilation. Minimize dust generation and accumulation. Avoid prolonged or repeated contact with skin.
Storage:
Keep container closed when not in use. No special precautions indicated.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 866-84-2: Personal Protective Equipment Eyes: Wear safety glasses with side shields.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 230 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Very soluble in water
Specific Gravity/Density: Not available.
Molecular Formula: K3C6H5O7H2O
Molecular Weight: 324.3391

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable.
Conditions to Avoid:
Not available.
Incompatibilities with Other Materials:
No data reported.
Hazardous Decomposition Products:
Oxides of phosphorus.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 866-84-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Potassium citrate - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 866-84-2: 0
Canada
CAS# 866-84-2 is listed on Canada's DSL List.
CAS# 866-84-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 866-84-2 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据查看详细

中国海关编码:2918150000

概述:
2918150000. 柠檬酸盐和柠檬酸酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:4ABxy(出口许可证,入境货物通关单,出境货物通关单出口许可证(加工贸易),出口许可证(边境小额贸易)). 最惠国关税:6.5%. 普通关税:30.0%
申报要素:
品名, 成分含量, 用途
监管条件:
4.出口许可证A.入境货物通关单B.出境货物通关单x.出口许可证(加工贸易)y.出口许可证(边境小额贸易)
检验检疫:
R.进口食品卫生监督检验S.出口食品卫生监督检验N.出口商品检验
摘要/Summary:
2918150000. other salts and esters of citric acid. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:4ABXY(export license,certificate of inspection for goods inward,certificate of inspection for goods outwardexport license(processing trade),export license(border small volume trade)). MFN tariff:6.5%. General tariff:30.0%

分子结构与计算化学数据展开↓

计算化学数据


1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:1

3.氢键受体数量:7

4.可旋转化学键数量:2

5.互变异构体数量:无

6.拓扑分子极性表面积141

7.重原子数量:16

8.表面电荷:0

9.复杂度:211

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:4

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